3731664 has 20 divisors (see below), whose sum is σ = 9640256. Its totient is φ = 1243872.

The previous prime is 3731627. The next prime is 3731683. The reversal of 3731664 is 4661373.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38824 + ... + 38919.

Almost surely, 2^3731664 is an apocalyptic number.

It is an amenable number.

3731664 is an abundant number, since it is smaller than the sum of its proper divisors (5908592).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3731664 is a wasteful number, since it uses less digits than its factorization.

3731664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77754 (or 77748 counting only the distinct ones).

The product of its digits is 9072, while the sum is 30.

The square root of 3731664 is about 1931.7515368183. The cubic root of 3731664 is about 155.1079927258.

The spelling of 3731664 in words is "three million, seven hundred thirty-one thousand, six hundred sixty-four".